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<Title>Cylinder Bar Shape</Title>
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<p class="heading0">ChartDirector 7.0 (Java Edition)</p>
<p class="heading1">Cylinder Bar Shape</p>
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<img src="images/cylinderbar.png" width='400' height='240'>
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This example demonstrates bars of cylinder shape.<br><br>
ChartDirector supports bars in cylindrical or arbitrary polygonal shapes. The shape are specified using <a href="BarLayer.setBarShape.htm">BarLayer.setBarShape</a> or <a href="BarLayer.setBarShape2.htm">BarLayer.setBarShape2</a>. In this example, the cylindrical shape is illustrated.<br><br>
See <a href="shapespec.htm">Shape Specification</a> on how built-in and custom shapes are defined in ChartDirector.
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<p class="heading1a">Source Code Listing</p>
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<b>[JSP Version]</b> jspdemo/cylinderbar.jsp
<div class='codeblock'><code class='pre'>&lt;%@page import="ChartDirector.*, java.util.*" %&gt;
&lt;%
// The data for the bar chart
double[] data = {85, 156, 179.5, 211, 123};

// The labels for the bar chart
String[] labels = {"Mon", "Tue", "Wed", "Thu", "Fri"};

// Create a XYChart object of size 400 x 240 pixels.
XYChart c = new XYChart(400, 240);

// Add a title to the chart using 14pt Times Bold Italic font
c.addTitle("Weekly Server Load", "Times New Roman Bold Italic", 14);

// Set the plotarea at (45, 40) and of 300 x 160 pixels in size. Use alternating light grey (f8f8f8)
// / white (ffffff) background.
c.setPlotArea(45, 40, 300, 160, 0xf8f8f8, 0xffffff);

// Add a multi-color bar chart layer
BarLayer layer = c.addBarLayer3(data);

// Set layer to 3D with 10 pixels 3D depth
layer.set3D(10);

// Set bar shape to circular (cylinder)
layer.setBarShape(Chart.CircleShape);

// Set the labels on the x axis.
c.xAxis().setLabels(labels);

// Add a title to the y axis
c.yAxis().setTitle("MBytes");

// Add a title to the x axis
c.xAxis().setTitle("Work Week 25");

// Output the chart
WebChartViewer viewer = new WebChartViewer(request, "chart1");
viewer.setChart(c, Chart.SVG);

// Include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("", "", "title='{xLabel}: {value} MBytes'"));
%&gt;
&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
    &lt;title&gt;Cylinder Bar Shape&lt;/title&gt;
    &lt;!-- Include ChartDirector Javascript Library to support chart interactions --&gt;
    &lt;script type="text/javascript" src="cdjcv.js"&gt;&lt;/script&gt;
&lt;/head&gt;
&lt;body style="margin:5px 0px 0px 5px"&gt;
    &lt;div style="font:bold 18pt verdana;"&gt;
        Cylinder Bar Shape
    &lt;/div&gt;
    &lt;hr style="border:solid 1px #000080; background:#000080" /&gt;
    &lt;div style="font:10pt verdana; margin-bottom:1.5em"&gt;
        &lt;a href="viewsource.jsp?file=&lt;%=request.getServletPath()%&gt;"&gt;View Source Code&lt;/a&gt;
    &lt;/div&gt;
    &lt;!-- ****** Here is the chart image ****** --&gt;
    &lt;%= viewer.renderHTML(response) %&gt;
&lt;/body&gt;
&lt;/html&gt;</code></div>
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<br><hr class="separator"><div class="copyright">&copy; 2022 Advanced Software Engineering Limited. All rights reserved.</div>
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